Thanks for your detailed note; I'll have to think it over.
...
> But there's another inconsistency in the transcription: the vowels in the
> first ("u-") and third ("-code") syllable are both phonemically long.
> Either you put the length mark on both (recommended for *phonetic*
> transcription), or on neither (okay with *phonemic* transcription). (Of

The o is significantly longer than the u, probably due to the following d.